Finding the Fourth Proportional to 399,025.28, 598,636.56 and 118,542.08
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Solution
The fourth proportional to 399,025.28, 598,636.56 and 118,542.08 is: 177,842.42
Step by Step Solution
- Step 1: Write the proportion equation
399,025.28 : 598,636.56 = 118,542.08 : x - Step 2: Convert to fraction form
399,025.28/598,636.56 = 118,542.08/x - Step 3: Cross multiply
399,025.28x = 598,636.56 × 118,542.08 - Step 4: Simplify right side
399,025.28x = 70,963,622,986.44 - Step 5: Solve for x
x = 70,963,622,986.44/399,025.28 - Step 6: Final answer
x = 177,842.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.